Ubuntu go back to login when use 3D - Possible solution

This is a very useful post:

http://ubuntuforums.org/showthread.php?t=403164

Problem: if any application which uses OpenGL-like/3D, your ubuntu will crash and go back to login screen after showing a blank and black screen. All 2D things will be okay, by the way.

Solution: With reference to the above thread, the only thing you need to do is:

1) Find out this: /usr/lib/xorg/modules/extensions/libglx.so
2) Actually, when you update your ubuntu (using apt-get), if you update also your nvidia-driver, you will find out in this folder that there are 2 files: libglx.so and libglx.so.1.0.9755. All you need to do is to make a symbolic link with the name libglx.so to libglx.so.1.0.9755.

Commands:

cd /usr/lib/xorg/modules/extensions/
sudo mv libglx.so libglx.so.backup
sudo ln -s libglx.so.1.0.9755 libglx.so

3 and final) logout and log back in.

You may find out that you can start all 3D things!!

Hope it helps.

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